From 7a3f75400c0518b72f04fe4209145301191ba151 Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Thu, 23 Mar 2006 23:47:04 +0000
Subject: [PATCH] Forward declarations stink / Path is now serializable /
 Forward declarations stink

SVN-Revision: 3114
---
 src/object/path.cpp  | 23 +++++++++++++++++++++++
 src/object/path.hpp  |  5 ++++-
 src/serializable.hpp |  4 +---
 3 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/object/path.cpp b/src/object/path.cpp
index be234d712..e98264775 100644
--- a/src/object/path.cpp
+++ b/src/object/path.cpp
@@ -161,6 +161,29 @@ Path::draw(DrawingContext& )
   // TODO: Add a visible flag, draw the path if true
 }
 
+void
+Path::write(lisp::Writer& writer)
+{
+  writer.start_list("path");
+
+  writer.write_string("name", name);
+  writer.write_bool("circular", circular);
+  writer.write_bool("forward", forward);
+
+  for (int i=0; i < (int)pathNodes.size(); i++) {
+    PathNode node = pathNodes[i];
+
+    writer.start_list("node");
+    writer.write_float("x", node.position.x);
+    writer.write_float("y", node.position.y);
+    writer.write_float("time", node.time);
+
+    writer.end_list("node");
+  }
+
+  writer.end_list("path");
+}
+
 const Vector&
 Path::GetPosition() {
   return position;
diff --git a/src/object/path.hpp b/src/object/path.hpp
index 68a1161a8..f04623bc0 100644
--- a/src/object/path.hpp
+++ b/src/object/path.hpp
@@ -28,6 +28,7 @@
 #include "math/vector.hpp"
 #include "game_object.hpp"
 #include "lisp/lisp.hpp"
+#include "serializable.hpp"
 
 
 /**
@@ -44,7 +45,7 @@ public:
 /**
  * Path an object can travel along. Made up of multiple nodes of type PathNode.
  */
-class Path : public GameObject
+class Path : public GameObject, public Serializable
 {
 public:
   Path(const lisp::Lisp& reader);
@@ -53,6 +54,8 @@ public:
   virtual void update(float elapsed_time);
   virtual void draw(DrawingContext& context);
 
+  virtual void write(lisp::Writer& writer);
+
   const Vector& GetPosition();
   const Vector& GetLastMovement();
 
diff --git a/src/serializable.hpp b/src/serializable.hpp
index 06a8234e3..6534db16c 100644
--- a/src/serializable.hpp
+++ b/src/serializable.hpp
@@ -19,9 +19,7 @@
 #ifndef SUPERTUX_SERIALIZABLE_H
 #define SUPERTUX_SERIALIZABLE_H
 
-namespace lisp {
-class Writer;
-}
+#include "lisp/writer.hpp"
 
 class Serializable
 {
-- 
2.11.0